From FinnegansWiki
- Hatch ... celt ... earshare → HCE
- hatch: to mark with fine diagonal lines → ALP's letter
- hatch: to come from an egg → HCE as Humpty Dumpty
- hatchet
- celt: an early stone tool
- Celt: a member of the Celtic race
- earsh: a stubblefield
- share: a blade, especially a ploughshare
